Security sash lock



FIG. 1 is a top plan view of the security sash lock of the presentinvention, with the front and back components thereof assembled;

FIG. 2 is a top plan view of the security sash lock of the presentinvention, with the front and back components thereof disassembled;

FIG. 3 is a front elevation of the security sash lock of the presentinvention, as shown in FIG. 1; and,

FIG. 4 is a left side elevation of the security sash lock of the presentinvention.

The right side elevation of the security sash lock of the presentinvention is similar to the left side elevation, except for the lever atthe top.

The distinguishing features of my new design for a security sash lockare its extremely narrow depth from front to back, and its extremesimplicity as a whole.

The ornamental design for the security sash lock, as shown anddescribed.